Tiwari, Rakesh, S. K. Srivastava, and Shashi Thakur. “Common Fixed Point Theorems of Quadruple Mappings Satisfying \(CLR\) Property in \(G_p\) Metric Spaces With Applications”. Communications in Mathematics and Applications 11, no. 3 (September 30, 2020): 297–309. Accessed April 27, 2024. http://www.rgnpublications.com/journals/index.php/cma/article/view/1402.